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Join Date: Dec 2006
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Cleaning 2.0 Injectors

Trying to wake up my 74, 2.0 from an approximately seven year sleep. Fuel is totally bad and am in the process of draining and removing tank for replacement and or cleaning/restoration. Plan to replace all fuel lines. Can the injectors be cleaned out of the car with some sort of cleaner/solution/thinner? Can they be checked prior to installation? Car was running when laid up. Anything else I should be doing before a start-up?

Thanks,
Bob Soldani
1974, 2.0
Old 03-13-2014, 07:00 AM
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Join Date: Dec 2007
Location: On a winding, hilly road in Tennessee.
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I highly recommend WitchHunter.

WitchHunter Performance - Injector Cleaning & Flow Testing Services

They've reconditioned several sets of Porsche injectors for me and they come back in like new condition. You will notice a difference in performance!
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Old 03-13-2014, 07:33 AM
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Hey Bob, when I revived mine after more than 12 years of hibernation I completely restored the fuel system. Used the POR-15 fuel tank restoration kit (which turned out very nice), completely replaced all fuel lines (including installing SS through tunnel), and had the injectors professionally serviced. There are a bunch of places that will service them for $15 to $20 per injector. I used Mr. Injector (Mr Injector - Home) and I was happy with the results. They'll give you a full report on the before and after and this definitely helps if you're having to toubleshoot other things (like ECU's, cylinder head temp sensors, etc. etc.).
Old 03-13-2014, 07:33 AM
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Thanks Glademister and beatnavy. Appreciate the response and tips. I will check out those injector service vendors.
Old 03-13-2014, 07:39 AM
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King Broinyo
 
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Remove the injectors and have them ultrasonically cleaned.
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Old 03-13-2014, 01:06 PM
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+1 for mr injector. came back looking like new and owner was great to work with. $16/injector when i had them done last year.
Old 03-14-2014, 05:18 AM
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Quote:
Originally Posted by Nostril Cheese View Post
Remove the injectors and have them ultrasonically cleaned.
there is a leak test to be preformed also if they don't pass in the bin they go.
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Old 03-16-2014, 01:07 AM
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I woke up a 1.8 1974 914 from a 5+ year (my guess, probably more) it had fuel line blocked from gummy residue in the tank. Cleaned the tank and lines. Removed the injectors an tested them in the car but no fuel was coming out. Cleaned them with injector cleaner and tested the again in the car. Fuel started coming out of the tip, so I installed them and put more fuel and injector cleaner in the tan and ran the engine a few minutes every weekend. It got better after a month. Before taking the engine out (for hell hole repair) it ran well and it would idle perfectly.
Old 03-16-2014, 08:39 AM
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